Feeding my Big Baby

My lo will be 5 months on the 13th. She is 28 in long and 22 lbs. She was breastfed exclusively until 4 months old. Now she gets 8 oz bottles every 4 hours and only 4 times per day. Total of 32 oz milk daily. Now she also has started eating homemade solids a couple times daily in between feeds. My question is, what can she drink other than milk with her solids? Water is so taboo but seems only logical to me. I give her food between bottles so she'll eat it and not be overly stuffed. What do u mommas do???